Helmet bracket



FIG. 1 is a perspective view of a helmet bracket showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The details shown in broken lines form no part of the claimed design.

CLAIM The ornamental design for a helmet bracket, as shown anddescribed.